From: Ben Dooks <ben.dooks@codethink.co.uk>
To: Alexey Sokolov <sokolov@7pikes.com>,
oliver@neukum.org, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers
Date: Tue, 02 Jun 2015 11:07:26 +0300 [thread overview]
Message-ID: <556D643E.20903@codethink.co.uk> (raw)
In-Reply-To: <20150602080526.GC6379@user-VirtualBox>
On 02/06/15 11:05, Alexey Sokolov wrote:
> ATOL FPrint fiscal printers require usb_clear_halt to be executed
> to work properly. Add quirk to fix the issue.
>
> Signed-off-by: Alexey Sokolov <sokolov@7pikes.com>
> ---
> drivers/usb/class/cdc-acm.c | 9 +++++++++
> drivers/usb/class/cdc-acm.h | 1 +
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index 5c8f581..9d8a321 100644
> --- a/drivers/usb/class/cdc-acm.c
> +++ b/drivers/usb/class/cdc-acm.c
> @@ -1477,6 +1477,11 @@ skip_countries:
> goto alloc_fail8;
> }
>
> + if (quirks == CLEAR_HALT_CONDITIONS) {
> + usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress));
> + usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress));
> + }
> +
Given quirks looks like a bitfield, it would be better if this is
if (quirks & CLEAR_HALT_CONDITIONS) {
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
next prev parent reply other threads:[~2015-06-02 8:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-02 8:05 [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers Alexey Sokolov
2015-06-02 8:07 ` Ben Dooks [this message]
2015-06-02 8:12 ` Oliver Neukum
2015-06-02 8:49 Alexey Sokolov
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